Before Bletchley Park: The Codebreakers of the First World War by Paul Gannon

Before Bletchley Park: The Codebreakers of the First World War

Paul Gannon

474 pages first pub 2021 (editions) user-added

nonfiction emotional informative medium-paced
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Description

The story of Bletchley Park's codebreaking operations in the Second World War is now well known, but its counterparts in the First World War - Room 40 & MI1(b) - remain in the shadows, despite their involvement in and influence on most of the ...

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